Pennsylvania State Route 68 runs east-west across Southwestern and East-Central Butler County. PA St Rt 68 passes through the following towns in Butler County. Zelienople Harmony Evans City Butler Woodbine North Oakland Chicora PA St Rt 68 is multi-plexed in Butler County. Pennsylvania State Route 528, near Evans City. Pennsylvania State Route 356, at Butler. PA St Rt 68 intersects the following highways in Butler County. U.S. Rt. 19, at Zelienople. Interstate 79, near Harmony. Pennsylvania State Route 528, at Evans City. Pennsylvania State Route 528, at Evans City. Pennsylvania State Route 356, near Lyndora. Pennsylvania State Route 8, at Butler. Pennsylvania State Route 356, at Butler. U.S. Rt. 422, near Butler. Pennsylvania State Route 38, near Butler. Pennsylvania State Route 268, near Chicora.
